2027 ICD-10-CM Diagnosis Code F64.AGender identity disorder, in remission

ICD-10-CM Codes›F01–F99›F60-F69›F64

ICD-10-CM F64.A
CMSSource: CMS FY 2027 ICD-10-CM dataset · Effective Oct 1, 2026 – Sep 30, 2027

F64.A is a billable ICD-10-CM diagnosis code for gender identity disorder, in remission. It is valid on HIPAA claims for fiscal year 2027 (October 1, 2026 through September 30, 2027) and groups to MS-DRG 887.

Code Identity

ICD-10-CM Code
F64.A
Billable Status
Yes — Valid for Submission
Code Describes
Gender identity disorder, in remission
Short Description
Gender identity disorder, in remission
Same as the full description in the CMS dataset.
Parent Code
F64
Gender identity disorders

Code Classification

ChapterF01–F99Mental and behavioural disorders
SectionF60-F69Disorders of adult personality and behavior
CategoryF64Gender identity disorders
This CodeF64.AGender identity disorder, in remission

Instructional NotesGuidance

Instructions from the official ICD-10-CM Tabular List that apply to F64.A: its own notes plus those printed at Chapter 5. A note printed at a category, block or chapter applies to every code under it.

Includes

Further defines, or gives examples of, the content of the category.

From Chapter 5 (F01-F99) Mental and behavioural disorders applies to 872 codes
  • disorders of psychological development

Applicable To

Conditions this code is used for: synonyms of the title or, for "other specified" codes, the conditions assigned to it. The list is not exhaustive.

  • Gender dysphoria, in remission (desistance)

Excludes2

Not included here: the excluded condition is not part of this code, but a patient may have both, so both codes may be reported.

From Chapter 5 (F01-F99) Mental and behavioural disorders applies to 872 codes
  • symptoms, signs and abnormal clinical laboratory findings, not elsewhere classified (R00-R99)

Source: CMS ICD-10-CM Tabular List. How to read instructional notes.

Index to Diseases and InjuriesGuidance

Alphabetical index entries that point to this code.

Clinical InformationClinical

  • Gender Dysphoria

    a marked difference between the individual’s expressed/experienced gender and the gender others would assign to the individual, and it must continue for at least six months. (from dsm-5)

Code History & ChangesHistory

New Code F64.A was added to the ICD-10-CM code set for FY 2027, effective October 1, 2026.

Replacement F64.A replaces the following previously assigned code(s):

  • F64.9 - Gender identity disorder, unspecified
FY 2027AddedAdded to the ICD-10-CM code setEffective October 1, 2026.
FY 2027CurrentRevised in the current code setEffective October 1, 2026 through September 30, 2027.

Questions About F64.AOverview

What is the ICD-10 code for gender identity disorder, in remission?

The ICD-10-CM code for gender identity disorder, in remission is F64.A (sometimes written as F64A). It is billable on HIPAA-covered claims from October 1, 2026 through September 30, 2027.

Is F64.A (Gender identity disorders) a billable code?

Yes. This is a billable ICD-10-CM code, specific enough to report gender identity disorder, in remission on HIPAA-covered claims from October 1, 2026 through September 30, 2027.

What MS-DRG does F64.A group to?

When gender identity disorder, in remission is the principal diagnosis on an inpatient stay, it groups to MS-DRG 887 (other Mental Disorder Diagnoses), which carries a relative weight of 1.1154. Higher weights mean higher Medicare reimbursement.